CN101829477A - Electronic control air drier - Google Patents

Electronic control air drier Download PDF

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Publication number
CN101829477A
CN101829477A CN201010193182A CN201010193182A CN101829477A CN 101829477 A CN101829477 A CN 101829477A CN 201010193182 A CN201010193182 A CN 201010193182A CN 201010193182 A CN201010193182 A CN 201010193182A CN 101829477 A CN101829477 A CN 101829477A
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China
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drier
electronic control
air
communicated
valve
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CN201010193182A
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CN101829477B (en
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李传武
谭小艳
张玄
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Ruili Group Ruian Auto Parts Co Ltd
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Ruili Group Ruian Auto Parts Co Ltd
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Publication of CN101829477A publication Critical patent/CN101829477A/en
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  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

The invention relates to an electronic control air drier for the drying treatment of compressed air of a vehicle brake system. The electronic control air drier comprises a drying cylinder assembly and a drier main body, wherein desiccant is arranged in the drying cylinder; a filter is arranged below the desiccant; and an annular channel is arranged between the periphery of the desiccant and the drying cylinder. A multifunctional electronic control performing device is communicated at the rear side of a one-way valve, and the multifunctional electronic control performing device is sealed by a cover. A power plug is arranged on the cover. An electronic control system comprises an ECU (Electronic Control Unit) general control device, a heating device, a pressure reading device, an alarming system and the multifunctional electronic control performing device, and is connected with the ECU general control device. Electromagnetic valves are used for realizing the functions of flow returning and pressure regulation. The heating device and the pressure reading device are arranged on the drier main body. The flow returning electromagnetic valve is communicated with a flow returning channel. The exhaust electromagnetic valve is communicated with the air inlet electromagnetic valve, an exhaust valve and a draining port. The heating device is arranged at the side of the draining port.

Description

Electronic control air drier
Technical field
The present invention relates to a kind of device, particularly a kind of electronic control air drier that is used for for the processing of motor vehicle braking system compressed air drying with compressed air adsorption dry.
Background technology
In vehicle compressed-air power control system, produce compressed air with air compressor as high-pressure air source and act on work system to realize the control action of regulation, because the compressed air that produces contains the moisture and the minute impurities that can not filter out by general filter, and the mist of oil drop brought in by the transfer pipeline process in compression process neutralization of compressed air, the impurity that makes the pneumatic system of vehicle be easy to be sneaked into stops up, minute impurities in the compressed air, oil droplet and moisture not only pollute pneumatic system pipeline, and make the components and parts generation corrosion of system rotten, reduce the service life of pneumatic means, even more serious is, when pneumatic system is used under cold conditions, moisture in the compressed air can condense in the passage, blocking pipeline and the action of retardance element, cause system works malfunctioning, reduce the reliability of atmospheric control, cause the accident.
In order to address the above problem, the technical staff is provided with air dryer in compressed air system, impurity such as drips to remove the moisture, micronic dust, the mist of oil that wherein comprise.General air dryer has drying and drier body, be equipped with screen pack, and the drying of molecular sieve be installed on the drier body, drier body internal drainage valve, pressure regulating valve device and the corresponding connection of each air flue, the water-vapo(u)r saturation of adopting the recoil regeneration to solve molecular sieve, the service life of prolongation air dryer.This design at work, when gas consumption was higher, the drier pressure unloading did not reach the setting pressure of pressure regulating valve device, the molecular sieve regeneration that can not recoil makes the functions/drying premature failure of molecular sieve.For this reason, the technical staff improves existing compressed-air drier, substitutes pressure regulator valve by automatically controlled mode and adjusts pressure, makes the regeneration that can recoil of molecular sieve in the drying, the service life of prolongation molecular sieve, the work that the assurance pneumatic system can normal reliable.Publication number: CN 101648106A, denomination of invention: Intelligentized air dryer, the application for a patent for invention open file disclosed a kind of technical scheme of electronic control air drier, this design mainly comprises drying assembly and drier body assembly two large divisions, and wherein the drying assembly has drier, filter, circular passage; The drier body assembly has drier valve body, heater, exhaust apparatus and electric-control system; Electric-control system has pressure reading device, automatically controlled actuating unit and ECU master control device.Owing to adopted automatically controlled actuating unit, ECU master control device and three parts of pressure reading device to substitute traditional pressure regulating valve device, avoided compressed air system because of assisting with gas or the higher molecular sieve recoil regeneration difficulty that causes of normal gas consumption; Secondly, joint cover and gland connect automatically controlled actuating unit, ECU (electronic control unit) master control device and drier valve body by screw, make the Intelligentized air dryer compact conformation.This technical scheme is designed to two outlets in the dry air exit, a delivery outlet is communicated with pneumatic element, another delivery outlet connection one regeneration gas receiver, and from regeneration gas receiver connection regeneration air inlet, with the usefulness as regeneration that the molecular sieve in the drying is recoiled; And its heater needs power supply separately, though this design makes progress than the compressed-air drier of tradition by return valve device and pressure regulating valve device, still fails to make compressed-air drier to accomplish that volume is little, design is succinct, reliable operation, easy to use.
Summary of the invention
In order to solve the technological deficiency that prior art exists, the object of the present invention is to provide a kind of electronic control air drier, it can be accomplished, and the compressed-air drier volume is little, design is succinct, reliable operation, easy to use.
To achieve these goals, the technical scheme of electronic control air drier of the present invention is:
Electronic control air drier comprises drying assembly and drier body, and the drying assembly is installed on drier body top, has drier in the drying, and the drier bottom has filter, has the circular passage between drier periphery and the drying; Drier body has air inlet, delivery outlet, the air inlet below is communicated with air bleeding valve, the passage of drier body central authorities is communicated with delivery outlet through check valve, the check valve rear side is communicated with multi-functional automatically controlled actuating unit, wherein: case is loaded on the drier body whole multi-functional automatically controlled actuating unit is sealed, and attaching plug is arranged on the case; Electric-control system is made up of ECU master control device, heater assembly, pressure reading device, warning system, multi-functional automatically controlled actuating unit, heater assembly, pressure reading device, warning system, the multi-functional automatically controlled actuating unit of being made up of magnetic valve link to each other with ECU master control device, utilize magnetic valve to realize refluxing and voltage regulation function; Heater and pressure reading device are directly installed on the drier body; Return flow solenoid valve is communicated with the return flow line; Exhaust solenoid valve is communicated with air inlet magnetic valve, air bleeding valve and evacuation port, and the emptying oral-lateral is provided with heater.
The pressure reading device has at least one piezo-resistance formula baroceptor.
Have four stitch on the piezo-resistance formula baroceptor, be respectively output signal anode, negative terminal, electrode line, negative line.
Warning system has the LED alarm lamp, is arranged on the case.
Case is connected with drier body by screw.
Heater has at least one electrical bar, its rated voltage 24V, rated output power 100W.
Because after adopting such scheme, the present invention in use, by ECU master control device the air dryer pressure inside is detected, drive actuating unit work by electric-control system, replace the bigeminy magnetic valve that prior art is used with one three magnetic valve, finish the control off-load, recoil regeneration refluxes, again air feed function, the gas of recoil is from after the delivery outlet check valve, cancelled the gas receiver that prior art is used, effectively the compressed air that enters is carried out dryly handling and to the recoil regeneration of drier, realizing utilizing magnetic valve to reach and reflux and voltage regulation function.Directly be loaded on pressure sensor on the valve body, the stitch of pressure sensor directly links to each other with the ECU wiring board, and no outside line connects, and heater is directly by the power supply of ECU master control device, the attaching plug centrally connected power supply is set on case, and volume is little, design is succinct, reliable operation, easy to use.Case gets up ECU master control device, magnetic valve, pressure reading device and heater housing, and by the gasket seal water proof and dust proof, appearance has only a plug, outside nothing coiling.And the warning LED light is set on case realizes failure warning.
Description of drawings
Fig. 1 is an electronic control air drier cutaway view of the present invention;
Fig. 2 is an electronic control air drier operation principle sketch of the present invention.
Label in the accompanying drawing:
1. space on the drying, 2. drying assembly, 3. drier, 4. circular passage, 5. filter, 6. air inlet, 7. centre gangway, 8. drier body, 9. air bleeding valve, 10. check valve, 11. delivery outlets, 12. pressure reading devices, 13. the return flow line, 14. return flow solenoid valves, 15. warning systems, 16. attaching plugs, 17. the air inlet magnetic valve, 18.LED indicator lamp, 19.ECU master control device, 20. exhaust solenoid valves, 21. heater, 22. cases, 23. evacuation ports.
The specific embodiment
Be further described below in conjunction with the specific embodiment of Figure of description electronic control air drier of the present invention.
Electronic control air drier of the present invention as depicted in figs. 1 and 2, comprise drying assembly 2 and drier body 8, drying assembly 2 is installed on drier body 8 tops, drying assembly 2 internal upper parts have drier 3, drier 3 can use molecular sieve, drier 3 tops have drying upper space 1, and drier 3 lower periphery have filter 5, have circular passage 4 between drier 3 peripheries and the drying.Drier body 8 has air inlet 6, air inlet 6 belows are communicated with air bleeding valve 9, drier body 8 centre gangwaies 7 are communicated with delivery outlet 11 through check valve 10, and check valve 10 rear sides of delivery outlet 11 are communicated with return flow solenoid valve 14 and air inlet magnetic valve 17, and return flow solenoid valve 14 is communicated with return flow line 13.Check valve 10 rear sides of delivery outlet 11 are provided with pressure reading device 12, pressure reading device 12 is servicing units of ECU master control device 19, be installed on the drier body 8, read the air pressure at delivery outlet 11 places in real time, and convert the air pressure numerical value that reads to voltage and feed back to ECU master controller 19, pressure reading device 12 can adopt at least one piezo-resistance formula baroceptor, have four stitch on the piezo-resistance formula baroceptor, be respectively signal output plus terminal, negative terminal, electrode line, negative line.
ECU master control device 19 has circuit board, single-chip microcomputer, cooling system, warning system 15, is the control core of electronic control air drier, and wherein, warning system 15 can adopt LED light 18, is installed on the case 22.
Exhaust solenoid valve 20 is communicated with air inlet magnetic valve 17, air bleeding valve 9 and evacuation port 23, and evacuation port 23 sides are provided with heater 21, and heater 21 and pressure reading device 12 are directly installed on the drier body 8, are connected with ECU master control device 19.The power supply of heater 21 is connected in the ECU master control device 19, connects power supply no longer separately, makes the electronic control air drier structure succinct more, reliable.Heater 21 can have at least one electrical bar, its rated voltage 24V, rated output power 100W.
Electric-control system comprises return flow solenoid valve 14, air inlet magnetic valve 17, exhaust solenoid valve 20, and electric-control system is connected with ECU master control device 19.
Case 22 is installed on the drier body 8, can be screwed, with electric-control system, ECU master control device 19, heater 21,12 sealings of pressure reading device, attaching plug 16 is arranged on the case 22, for ECU master control device 19 provides power supply, warning system 15 wiring are set simultaneously, the optical signal caution occur sending when unusual in the total system duty.
Electronic control air drier in use, the vehicle entry into service of electronic control air drier is installed, engine drives the gas receiver inflation that air compressor is a vehicle, the air that is compressed by air compressor enters drier body 8 through air inlet 6, condensed water in the compressed air drops on the drier body 8 bottom air bleeding valves 9, compressed air goes upward to drying 2, process filter 5 filters out mist of oil and fine impurity wherein, compressed air enters space 1 on the drying through circular passage 4, pass drier 3 absorption then and fall wherein contained humidity, dry compressed air is pushed check valve 10 open from delivery outlet 11 outputs.
Be installed on the drier body 8 behind the check valve 10 pressure reading device 12 detect delivery outlets 11 place's air pressure, convert detected output pressure to voltage and feed back to ECU master controller 19, ECU controller 19 is by the return flow solenoid valve 14 of logical program s operation control electric-control system, air inlet magnetic valve 17, the break-make of exhaust solenoid valve 20, when detected pressures during greater than default cut-out pressure, dried compressed air from delivery outlet 11 promotes air bleeding valve 9, simultaneously, enter centre gangway 7 by return flow line 13, drier 3, carry out drier 3 recoil regeneration circular passage 4, when the air pressure of delivery outlet 11 is lower than preset value, ECU master controller 19 control exhaust solenoid valves 20 are arranged compressed air to atmosphere by evacuation port 23, finish the off-load of automatically controlled compressed-air drier, recoil regeneration refluxes, again air feed function.
Whole electronic-controlled installation and ECU controller 19 and heater 21 are sealed in the case 22, guarantee not lost efficacy by external environmental interference, and water resistance is good, and, system power supply mode is integrated, be connected on the attaching plug 16 on the case 22, make structure compact, easy to use more.The LED light 18 of warning system 15 also is arranged on the case 22, and fault that can suggestion device guarantees safe handling.
Electronic control air drier of the present invention can use in the air compression system of vehicle, also can need carry out the occasion use of dry decontamination to compressed air in the other technologies field.

Claims (6)

1. electronic control air drier comprises drying assembly and drier body, and the drying assembly is installed on drier body top, has drier in the drying, and the drier bottom has filter, has the circular passage between drier periphery and the drying; Drier body has air inlet, delivery outlet, and the air inlet below is communicated with air bleeding valve, and the passage of drier body central authorities is communicated with delivery outlet through check valve, and the check valve rear side is communicated with multi-functional automatically controlled actuating unit, it is characterized in that:
Case is loaded on the drier body whole multi-functional automatically controlled actuating unit is sealed, and attaching plug is arranged on the case;
Electric-control system is made up of ECU master control device, heater assembly, pressure reading device, warning system, multi-functional automatically controlled actuating unit, heater assembly, pressure reading device, warning system, the multi-functional automatically controlled actuating unit of being made up of magnetic valve link to each other with ECU master control device, utilize magnetic valve to realize refluxing and voltage regulation function;
Heater and pressure reading device are directly installed on the drier body;
Return flow solenoid valve is communicated with the return flow line;
Exhaust solenoid valve is communicated with air inlet magnetic valve, air bleeding valve and evacuation port, and the emptying oral-lateral is provided with heater.
2. electronic control air drier as claimed in claim 1 is characterized in that: the pressure reading device has at least one piezo-resistance formula baroceptor.
3. electronic control air drier as claimed in claim 2 is characterized in that: have four stitch on the piezo-resistance formula baroceptor, be respectively output signal anode, negative terminal, electrode line, negative line.
4. electronic control air drier as claimed in claim 1 is characterized in that: warning system has the LED alarm lamp, is arranged on the case.
5. electronic control air drier as claimed in claim 1 is characterized in that: case is connected with drier body by screw.
6. electronic control air drier as claimed in claim 1 is characterized in that: heater has at least one electrical bar, its rated voltage 24V, rated output power 100W.
CN 201010193182 2010-06-07 2010-06-07 Electronic control air drier Active CN101829477B (en)

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CN101829477B CN101829477B (en) 2012-09-12

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102247745A (en) * 2011-07-19 2011-11-23 瑞立集团瑞安汽车零部件有限公司 Mechanically/electrically driven air dryer, vehicle air pressure braking system and vehicle
CN103335533A (en) * 2013-07-04 2013-10-02 瑞立集团瑞安汽车零部件有限公司 Electronic control condenser with heating device
CN106178853A (en) * 2016-08-31 2016-12-07 瑞立集团瑞安汽车零部件有限公司 A kind of automatically controlled air treatment system
CN106512669A (en) * 2016-08-29 2017-03-22 浙江万安科技股份有限公司 Electrically controlled dryer assembly with ECU (Electronic Control Unit) controller and control method
CN107051131A (en) * 2016-12-27 2017-08-18 高玉秀 Automatically controlled drier
CN107257707A (en) * 2014-12-16 2017-10-17 阿特拉斯·科普柯空气动力股份有限公司 The drier of compressed gas, the compressor apparatus for being provided with this drier and the method for dry gas
CN107685725A (en) * 2017-07-25 2018-02-13 湖北航天技术研究院特种车辆技术中心 A kind of air supply system on hybrid power chassis
CN107776564A (en) * 2017-11-13 2018-03-09 浙江德翰制动系统有限公司 Automobile integral air processing system
CN111759070A (en) * 2020-07-17 2020-10-13 杭州语诺科技有限公司 Wall-mounted self-service blower with blowing head free of electric shock risk
CN111802783A (en) * 2020-07-17 2020-10-23 杭州语诺科技有限公司 Public hair-dryer of over-and-under type based on energy-conserving safety

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102247745A (en) * 2011-07-19 2011-11-23 瑞立集团瑞安汽车零部件有限公司 Mechanically/electrically driven air dryer, vehicle air pressure braking system and vehicle
CN103335533A (en) * 2013-07-04 2013-10-02 瑞立集团瑞安汽车零部件有限公司 Electronic control condenser with heating device
CN103335533B (en) * 2013-07-04 2015-04-08 瑞立集团瑞安汽车零部件有限公司 Electronic control condenser with heating device
CN107257707B (en) * 2014-12-16 2021-06-11 阿特拉斯·科普柯空气动力股份有限公司 Dryer for compressed gas, compressor installation provided with such a dryer, and method for drying gas
CN107257707A (en) * 2014-12-16 2017-10-17 阿特拉斯·科普柯空气动力股份有限公司 The drier of compressed gas, the compressor apparatus for being provided with this drier and the method for dry gas
KR20170120565A (en) * 2014-12-16 2017-10-31 아틀라스 캅코 에어파워, 남로체 벤누트삽 Dryer for compressed gas, compressor installation provided with such a dryer and method for drying gas
KR102267999B1 (en) 2014-12-16 2021-06-22 아틀라스 캅코 에어파워, 남로체 벤누트삽 Dryer for compressed gas, compressor installation provided with such a dryer and method for drying gas
CN106512669A (en) * 2016-08-29 2017-03-22 浙江万安科技股份有限公司 Electrically controlled dryer assembly with ECU (Electronic Control Unit) controller and control method
CN106512669B (en) * 2016-08-29 2022-11-01 浙江万安科技股份有限公司 Electric control dryer assembly with ECU controller and control method
CN106178853A (en) * 2016-08-31 2016-12-07 瑞立集团瑞安汽车零部件有限公司 A kind of automatically controlled air treatment system
CN107051131A (en) * 2016-12-27 2017-08-18 高玉秀 Automatically controlled drier
CN107685725A (en) * 2017-07-25 2018-02-13 湖北航天技术研究院特种车辆技术中心 A kind of air supply system on hybrid power chassis
CN107685725B (en) * 2017-07-25 2019-12-03 湖北航天技术研究院特种车辆技术中心 A kind of air supply system on hybrid power chassis
CN107776564A (en) * 2017-11-13 2018-03-09 浙江德翰制动系统有限公司 Automobile integral air processing system
CN111802783A (en) * 2020-07-17 2020-10-23 杭州语诺科技有限公司 Public hair-dryer of over-and-under type based on energy-conserving safety
CN111759070A (en) * 2020-07-17 2020-10-13 杭州语诺科技有限公司 Wall-mounted self-service blower with blowing head free of electric shock risk
CN111759070B (en) * 2020-07-17 2023-11-17 杭州语诺科技有限公司 Wall-hanging self-service hair dryer with blowing head free of electric shock risk
CN111802783B (en) * 2020-07-17 2023-11-21 杭州语诺科技有限公司 Lifting type public blower based on energy conservation and safety

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Denomination of invention: Electronic control air drier

Effective date of registration: 20200603

Granted publication date: 20120912

Pledgee: China Minsheng Banking Corp Wenzhou branch

Pledgor: Ruili Group Ruian Auto Parts Co.,Ltd.

Registration number: Y2020330000292